Forgotten cron fix

https://github.com/FreshRSS/FreshRSS/pull/2208

Docker/entrypoint.sh

@@ -6,7 +6,7 @@ chown -R :www-data .
 chmod -R g+r . && chmod -R g+w ./data/
 
 if [ -n "$CRON_MIN" ]; then
-	sed -r -i "\#FreshRSS#s#^[^ ]+ #$CRON_MIN #" /var/spool/cron/crontabs/www-data
+	sed -r -i "\#FreshRSS#s#^[^ ]+ #$CRON_MIN #" /var/spool/cron/crontabs/root
 fi
 
 exec "$@"